Section 135 of the Merchant Shipping Act, 1951, is hereby amended by the substitution for subsection (1) of the following subsection:

“(1) The following provisions shall apply to wages [and salvage] due to or to become due to a seaman or apprentice-officer of a South African ship:

(a)        They shall not be liable to attachment or subjected to any form of execution under a judgment or order of any court;

(b)        an assignment or hypothecation thereof shall not bind the person making the same;

(c)        a power of attorney or authority for the receipt thereof shall not be irrevocable; and

(d)        [a] the payment of wages [or salvage] to a seaman or apprentice-officer shall be valid in law, notwithstanding any previous assignment or hypothecation of those wages [or salvage], or any attachment of or execution upon those wages [or salvage].”.